ClassID:

199878

G11C2211/4061 - page 2 - CPC Classification

Classification description:

Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor; Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells; Refreshing of dynamic cells Calibration or ate or cycle tuning

Recent Application in this class:
#301
20060104141
2006-05-18

Memory logic for controlling refresh operations

#302
20060104140
2006-05-18

Semiconductor memory device and refresh method thereof

#303
20060092741
2006-05-04

Self refresh circuit of PSRAM for real access time measurement and operating method for the same

#304
20060087901
2006-04-27

Device for controlling temperature compensated self-refresh period

#305
20060085616
2006-04-20

Method and system for dynamically adjusting DRAM refresh rate

#306
20060083094
2006-04-20

Method and apparatus for controlling refresh operations in a dynamic memory device

#307
20060067151
2006-03-30

Memory

#308
20060067150
2006-03-30

Method and apparatus to control a power consumption of a memory device

#309
20060056258
2006-03-16

Semiconductor memory and method for operating the same

#310
20060056255
2006-03-16

Semiconductor memory apparatus and method for operating a semiconductor memory apparatus

#311
20060049888
2006-03-09

Voltage controlled oscillator

#312
20060047893
2006-03-02

Non-skipping auto-refresh in a DRAM

#313
20060039222
2006-02-23

Method and circuit for adjusting a self-refresh rate to maintain dynamic data at low supply voltages

#314
20060039220
2006-02-23

Semiconductor memory device, test circuit and test method

#315
20060028893
2006-02-09

Semiconductor memory device, refresh control method thereof, and test method thereof

#316
20060023547
2006-02-02

Semiconductor memory

#317
20060023546
2006-02-02

Self refresh period control circuits

#318
20060013054
2006-01-19

DRAM with hidden refresh

#319
20060013052
2006-01-19

Method and system for controlling refresh to avoid memory cell data losses

#320
20060010350
2006-01-12

Memory having variable refresh control and method therefor

#321
20060004954
2006-01-05

System and method for refreshing random access memory cells

#322
20060002227
2006-01-05

Fuse box, semiconductor memory device having the same and setting method thereof

#323
20060002220
2006-01-05

Assessing energy requirements for a refreshed device

#324
20050285626
2005-12-29

Circuits and methods of temperature compensation for refresh oscillator

#325
20050281112
2005-12-22

Semiconductor memory device and refresh period controlling method

#326
20050280479
2005-12-22

Circuits and methods of temperature compensation for refresh oscillator

#327
20050276139
2005-12-15

DRAM device with a refresh period that varies responsive to a temperature signal having a hysteresis characteristic

#328
20050254327
2005-11-17

Circuit and method for controlling a clock synchronizing circuit for low power refresh operation

#329
20050248755
2005-11-10

Refresh counter with dynamic tracking of process, voltage and temperature variation for semiconductor memory

#330
20050243629
2005-11-03

Apparatus for controlling self-refresh period in memory device

#331
20050237839
2005-10-27

Semiconductor memory device

#332
20050237837
2005-10-27

Memory with adjustable access time

#333
20050237836
2005-10-27

Refresh methods for RAM cells featuring high speed access

#334
20050232050
2005-10-20

Refresh operation type semiconductor memory device capable of smoothly transferring special state to normal active state and its driving method

#335
20050232049
2005-10-20

Semiconductor memory device having a delay circuit

#336
20050228611
2005-10-13

Self-refresh control circuit

#337
20050219890
2005-10-06

Semiconductor storage device and method of controlling refreshing of semiconductor storage device

#338
20050212613
2005-09-29

Oscillator circuit having a temperature dependence

#339
20050169091
2005-08-04

Semiconductor memory device suitable for mounting on portable terminal

#340
20050169084
2005-08-04

Semiconductor memory device and method of refreshing the semiconductor memory device

#341
20050169083
2005-08-04

Semiconductor storage device and refresh control method therefor

#342
20050162962
2005-07-28

Semiconductor memory device changing refresh interval depending on temperature

#343
20050146968
2005-07-07

Semiconductor memory

#344
20050141314
2005-06-30

Semiconductor integrated circuit device and digital measuring instrument

#345
20050141311
2005-06-30

Semiconductor memory device with optimum refresh cycle according to temperature variation

#346
20050141309
2005-06-30

Method and circuit for reducing DRAM refresh power by reducing access transistor sub threshold leakage

#347
20050135171
2005-06-23

Method and apparatus for controlling refresh cycles of a plural cycle refresh scheme in a dynamic memory

#348
20050125597
2005-06-09

Compensated refresh oscillator

#349
20050099868
2005-05-12

Refresh for dynamic cells with weak retention

#350
20050099756
2005-05-12

Semiconductor device

#351
20050094460
2005-05-05

Semiconductor memory device having row path control circuit and operating method thereof

#352
20050088894
2005-04-28

Auto-refresh multiple row activation

#353
20050083752
2005-04-21

Word line enable timing determination circuit of a memory device and methods of determining word line enable timing in the memory device

#354
20050078539
2005-04-14

Circuit and method for controlling a clock synchronizing circuit for low power refresh operation

#355
20050077975
2005-04-14

Circuits and methods of temperature compensation for refresh oscillator

#356
20050073895
2005-04-07

Semiconductor memory device

#357
20050071543
2005-03-31

Memory buffer device integrating refresh logic

#358
20050063234
2005-03-24

Method and apparatus for controlling refresh operations in a dynamic memory device

#359
20050060488
2005-03-17

Self-refresh system and method for dynamic random access memory

#360
20050052941
2005-03-10

Semiconductor memory

#361
20050052919
2005-03-10

Temperature detecting circuit for controlling a self-refresh period of a semiconductor memory device

#362
20050041502
2005-02-24

Circuit and method for evaluating and controlling a refresh rate of memory cells of a dynamic memory

#363
20050041501
2005-02-24

Memory device having a configurable oscillator for refresh operation

#364
20050036380
2005-02-17

Method and system of adjusting DRAM refresh interval

#365
20050030806
2005-02-10

Circuit and method for refreshing memory cells of a dynamic memory

#366
20050007864
2005-01-13

Memory controller for controlling a refresh cycle of a memory and a method thereof

#367
20050002268
2005-01-06

Semiconductor memory device capable of outputting data when a read request not accompanied with an address change being issued

#368
20050002255
2005-01-06

Semiconductor memory device and electronic device for activation control of word lines in a semiconductor memory device